Acetaldehyde-DNPH & Formaldehyde-DNPH, 10mL

2-Methylphenol, 500mg

Sulfamethazine, 1000µg/ml in MeOH, 1ml

Dicrotophos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 141-66-2